High idle switch

  • Monitors engine temperature during the high idle warm-up period
  • High idle icon appears in your rearview mirror
  • When engine is warm enough, the idle returns to normal and the icon in your mirror alerts you

Requires available Vortec® 6.0L V8 SFI FlexFuel engine and Convenience Package on 1WT and 2WT. Included with Ambulance Package with or without Convenience Package. Ambulance Package includes cruise control.